Solid felt in heat preservation cylinder for low-oxygen low-power-consumption single crystal furnace

Abstract

The utility model discloses a fixed felt in a heat preservation cylinder for a low-oxygen low-power-consumption single crystal furnace, which particularly relates to the technical field of single crystal production and comprises a first positioning half ring and a second positioning half ring which are used for protection and are oppositely arranged. And the cross sections of the first positioning half ring and the second positioning half ring are arc-shaped. According to the utility model, all the structures are correspondingly matched for use, and the first positioning half ring and the second positioning half ring can be respectively contacted with the inner wall of the single crystal furnace, so that the mounting stability of the first positioning half ring and the second positioning half ring and the mounting convenience of the first positioning half ring and the second positioning half ring are ensured; the first positioning half ring and the second positioning half ring are arranged and spliced, a gap can be reserved for the foot plate of the main heater in the heat preservation cylinder, and the limiting cavity and the limiting barrier strip are arranged and used for being matched with the heat preservation cylinder miter joint ring, so that the centering performance of installation of the heat preservation cylinder miter joint ring is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of single crystal production, and more specifically to a solid felt in a heat preservation cylinder for a low-oxygen and low-power consumption single crystal furnace. Background Art

[0002] Solid felt in the insulation tube for low-oxygen and low-power single crystal furnace is a material used for insulation, usually made of a mixture of inorganic fibers and organic glue. It has low thermal conductivity, good thermal insulation and anti-oxidation properties, which can effectively reduce the loss of heat energy and improve the thermal efficiency of the single crystal furnace. Solid felt can withstand high temperature and high pressure environments and maintain its stable performance. In single crystal furnaces, solid felt is usually used as an internal insulation layer and a lining material for the furnace body to prevent the loss of heat energy and the entry of external oxygen, thereby maintaining a low-oxygen environment in the furnace.

[0003] Among them, it was found through searching that the utility model patent with patent application number CN202121895662.1 discloses a furnace bottom solid felt for single crystal thermal field centering, which is arranged on the furnace bottom of the single crystal furnace, and mainly includes a solid felt body, a fixed groove is arranged on the upper surface of the solid felt body, and an exhaust hole, an electrode through hole and a supporting rod through hole penetrating the solid felt body are also arranged on the solid felt body, and positioning blocks are arranged around the solid felt body, wherein: the solid felt body is a disc-shaped structure;

[0004] When the structure is in use, the through hole is arranged at the center of the solid felt body, the exhaust holes are symmetrically arranged on both sides of the support rod through hole, the electrode through holes are evenly distributed around the support rod through hole, and the exhaust holes, electrode through holes and support rod through holes are all located in fixed grooves on the solid felt body; the positioning blocks are evenly distributed in the circumferential direction of the solid felt body, and the solid felt body is clamped on the bottom of the single crystal furnace through the positioning blocks. The solid felt structure is simple, but the structure is not easy to install the device inside the furnace body when in use, which makes the device not convenient enough when in use. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a solid felt in the insulation cylinder for a low-oxygen and low-power single crystal furnace, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The utility model is implemented in this way. The utility model provides the following technical solutions: a low-oxygen and low-power single crystal furnace insulation tube solid felt, comprising a first positioning half circle and a second positioning half circle for protection, the first positioning half circle and the second positioning half circle are arranged oppositely, and the cross-sectional shapes of the first positioning half circle and the second positioning half circle are both arranged to be arc-shaped;

[0007] The tops of the first positioning half circle and the second positioning half circle are both provided with limiting stop bars for isolation, and each limiting stop bar is detachably connected to the second positioning half circle and the first positioning half circle respectively;

[0008] The connection contacts between the two limit stop bars and the first positioning half circle and the second positioning half circle are respectively provided with limit cavities for limiting;

[0009] It can be seen that in the above technical solution, the first positioning half circle and the second positioning half circle are arranged relatively to each other, and the first positioning half circle and the second positioning half circle can respectively contact the inner wall of the single crystal furnace to ensure the stability of the installation of the first positioning half circle and the second positioning half circle and the convenience of installing the first positioning half circle and the second positioning half circle.

[0010] Optionally, in a possible embodiment, a plurality of positioning grooves for limiting are distributed on the outer sides of the first positioning half circle and the second positioning half circle and along the circumference of the axis points of the first positioning half circle and the second positioning half circle, an outer tightening ring is arranged in the positioning groove, the outer tightening ring matches the positioning groove, the outer tightening ring is rotatably connected to the positioning groove, a plurality of stoppers for blocking are distributed on the outer side of the outer tightening ring and along the circumference of the axis points of the outer tightening ring, and each of the stoppers is detachably connected to the outer tightening ring, a plurality of mounting openings are distributed on the outer sides of the first positioning half circle and the second positioning half circle and along the circumference of the axis points of the first positioning half circle and the second positioning half circle, respectively located on one side of the positioning groove, a reinforcing block is arranged in the mounting opening, the mounting opening matches the reinforcing block, and the mounting opening is detachably connected to the reinforcing block;

[0011] It can be seen that in the above technical solution, after the setting of the first positioning half circle and the second positioning half circle, the two half rings are spliced ​​together, which can leave a gap for the main heater foot plate in the insulation tube, and the setting of the limit cavity and the limit stop bar is used to cooperate with the bevel ring of the insulation tube to ensure the centering of its installation, and when the device is in use, the setting of the outer tightening ring and the stop block can limit the first positioning half circle and the second positioning half circle after the second positioning half circle and the first positioning half circle are connected together, thereby realizing the function of clamping the first positioning half circle and the second positioning half circle.

[0012] Technical effects and advantages of the utility model:

[0013] Through the corresponding coordinated use of various structures, compared with the prior art, the overall design is simple and the structure is reasonable. Through the corresponding coordinated use of various structures, the first positioning half circle and the second positioning half circle can be respectively in contact with the inner wall of the single crystal furnace to ensure the stability of the installation of the first positioning half circle and the second positioning half circle and the convenience of the installation of the first positioning half circle and the second positioning half circle;

[0014] And through the setting of the first positioning half circle and the second positioning half circle, the two semi-rings are spliced ​​to leave a gap for the main heater foot plate in the insulation tube, and the setting of the limit cavity and the limit stop strip is used to cooperate with the insulation tube bevel ring to ensure its installation concentricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0016] Figure 1 It is the front view of the overall structure of the utility model.

[0017] Figure 2 It is a side view of the overall structure of the utility model.

[0018] Figure 3 This is a front view of the first positioning half circle, the limiting stop bar and the reinforcing block of the utility model.

[0019] Figure 4 It is the front view of the outer tightening ring and the stopper of the utility model.

[0020] Figure 5 This is a front view of the first positioning half circle and the limiting stop strip of the utility model.

[0021] The accompanying drawings are marked as follows: 1. first positioning half circle; 2. second positioning half circle; 3. limiting cavity; 4. limiting stop bar; 5. positioning groove; 6. outer tightening ring; 7. stop block; 8. installation opening; 9. reinforcement block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] As attached Figure 1-5The solid felt in the insulation tube for a low-oxygen and low-power single crystal furnace shown in the figure can be used in conjunction with the first positioning half circle 1, the second positioning half circle 2, the limit stop bar 4, the outer tight ring 6 and the stop block 7. The first positioning half circle 1 and the second positioning half circle 2 can respectively contact the inner wall of the single crystal furnace to ensure the stability of the installation of the first positioning half circle 1 and the second positioning half circle 2 and the convenience of the installation of the first positioning half circle 1 and the second positioning half circle 2. After the first positioning half circle 1 and the second positioning half circle 2 are set, the two half rings are spliced ​​to leave a gap for the main heater foot plate in the insulation tube, and the setting of the limit cavity 3 and the limit stop bar 4 is used to cooperate with the insulation tube miter ring to ensure the centering of its installation, and the specific structural setting of the assembly is as follows;

[0024] A low-oxygen and low-power single crystal furnace insulation tube lining felt, comprising a first positioning half circle 1 and a second positioning half circle 2 for protection, the first positioning half circle 1 and the second positioning half circle 2 are arranged opposite to each other, and the cross-sectional shapes of the first positioning half circle 1 and the second positioning half circle 2 are both arranged to be arc-shaped;

[0025] The tops of the first positioning half circle 1 and the second positioning half circle 2 are both provided with limiting stop bars 4 for isolation, and each limiting stop bar 4 is detachably connected to the second positioning half circle 2 and the first positioning half circle 1 respectively;

[0026] The connection contacts between the two limit stop bars 4 and the first positioning half circle 1 and the second positioning half circle 2 are respectively provided with limit cavities 3 for limiting;

[0027] A plurality of positioning grooves 5 for limiting are distributed on the outside of the first positioning half circle 1 and the second positioning half circle 2 and along the circumference of the axis point of the first positioning half circle 1 and the second positioning half circle 2, an outer tightening ring 6 is arranged in the positioning groove 5, the outer tightening ring 6 matches the positioning groove 5, and the outer tightening ring 6 is rotatably connected to the positioning groove 5, a plurality of stoppers 7 for blocking are distributed on the outside of the outer tightening ring 6 and along the circumference of the axis point of the outer tightening ring 6, and each stopper 7 is detachably connected to the outer tightening ring 6, a plurality of mounting openings 8 are distributed on one side of the positioning groove 5 respectively on the outside of the first positioning half circle 1 and the second positioning half circle 2 and along the circumference of the axis point of the first positioning half circle 1 and the second positioning half circle 2, a reinforcing block 9 is arranged in the mounting opening 8, the mounting opening 8 matches the reinforcing block 9, and the mounting opening 8 is detachably connected to the reinforcing block 9.

[0028] According to the above structure, when in use, the staff installs the device in the single crystal furnace. When the device is installed, the first positioning half circle 1 and the second positioning half circle 2 are arranged opposite to each other, and the first positioning half circle 1 and the second positioning half circle 2 can be respectively in contact with the inner wall of the single crystal furnace to ensure the stability of the installation of the first positioning half circle 1 and the second positioning half circle 2 and the convenience of the installation of the first positioning half circle 1 and the second positioning half circle 2;

[0029] And through the arrangement of the first positioning half circle 1 and the second positioning half circle 2, the two semi-rings are spliced ​​to leave a gap for the main heater foot plate in the insulation tube, and the arrangement of the limit cavity 3 and the limit stop bar 4 is used to cooperate with the insulation tube miter ring to ensure the centering of its installation;

[0030] When the device is in use, the outer tightening ring 6 and the stop block 7 can be set to limit the first positioning half circle 1 and the second positioning half circle 2 after the second positioning half circle 2 and the first positioning half circle 1 are connected together, thereby realizing the function of clamping the first positioning half circle 1 and the second positioning half circle 2.

[0031] Different from the prior art, the present application discloses a solid felt in an insulation tube for a low-oxygen and low-power single crystal furnace, which can contact the inner wall of the single crystal furnace respectively through the first positioning half circle 1 and the second positioning half circle 2 to ensure the stability of the installation of the first positioning half circle 1 and the second positioning half circle 2 and the convenience of the installation of the first positioning half circle 1 and the second positioning half circle 2. Moreover, through the setting of the first positioning half circle 1 and the second positioning half circle 2, the two semi-rings are spliced ​​to leave a gap for the main heater foot plate in the insulation tube, and the setting of the limit cavity 3 and the limit stop bar 4 is used to cooperate with the bevel ring of the insulation tube to ensure the centering of its installation.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-oxygen and low-power single crystal furnace insulation tube solid felt, characterized in that: It comprises a first positioning half circle (1) and a second positioning half circle (2) for protection, the first positioning half circle (1) and the second positioning half circle (2) are arranged opposite to each other, and the cross-sectional shapes of the first positioning half circle (1) and the second positioning half circle (2) are both arranged to be arc-shaped; The tops of the first positioning half circle (1) and the second positioning half circle (2) are both provided with limiting stop bars (4) for isolation, and each limiting stop bar (4) is detachably connected to the second positioning half circle (2) and the first positioning half circle (1); The connection contacts between the two limit stop bars (4) and the first positioning half circle (1) and the second positioning half circle (2) are respectively provided with limit cavities (3) for limiting.

2. The low-oxygen and low-power consumption single crystal furnace insulation tube lining felt according to claim 1, characterized in that: A plurality of positioning grooves (5) for limiting positioning are distributed on the outer sides of the first positioning half circle (1) and the second positioning half circle (2) and along the circumference of the axis center points of the first positioning half circle (1) and the second positioning half circle (2).

3. The low-oxygen and low-power consumption single crystal furnace insulation tube lining felt according to claim 2, characterized in that: An outer tightening ring (6) is arranged in the positioning groove (5), the outer tightening ring (6) matches the positioning groove (5), and the outer tightening ring (6) is rotatably connected to the positioning groove (5).

4. The low-oxygen and low-power consumption single crystal furnace insulation tube lining felt according to claim 3, characterized in that: A plurality of blocking blocks (7) for blocking are distributed on the outside of the outer tightening ring (6) and along the circumference of the axis center point of the outer tightening ring (6), and each of the blocking blocks (7) is detachably connected to the outer tightening ring (6).

5. The low-oxygen and low-power consumption single crystal furnace insulation tube lining felt according to claim 1, characterized in that: A plurality of mounting openings (8) are distributed on the outside of the first positioning half circle (1) and the second positioning half circle (2) and along the circumference of the axis point of the first positioning half circle (1) and the second positioning half circle (2), and are respectively located on one side of the positioning groove (5), and a reinforcing block (9) is arranged in the mounting opening (8).

6. The low-oxygen and low-power consumption single crystal furnace insulation tube lining felt according to claim 5, characterized in that: The installation opening (8) matches the reinforcement block (9), and the installation opening (8) and the reinforcement block (9) are detachably connected.

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